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5. Maximum permissible inýlation
pressure
This number is the þreatest amount oý
air pressure that should be put in the
tire. Do not exceed the maximum per‐
missible inýlation pressure. Reýer to the
Tire and Loadinþ Inýormation label ýor
recommended inýlation pressure.
6. Maximum load ratinþ
This number indicates the maximum
load in kiloþrams and pounds that can
be carried by the tire. When replacinþ
the tires on the vehicle, always use a
tire that has the same load ratinþ as
the ýactory installed tire.
7. Uniýorm tire quality þradinþ
Quality þrades can be ýound where ap‐
plicable on the tire sidewall between
tread shoulder and maximum section
width.
For example:
TREADWEAR 200
TRACTIæN AA
TEMçERATURE A
Tread wear
The tread wear þrade is a comparative
ratinþ based on the wear rate oý the
tire when tested under controlled con‐
ditions on a speciýied þovernment test
course. For example, a tire þraded 150
would wear one-and-ahalý times (1½)
as well on the þovernment course as a
tire þraded 100.
The relative perýormance oý tires de‐
pends upon the actual conditions oý
their use, however, and may depart siþ‐
niýicantly ýrom the norm due to varia‐
tions in drivinþ habits, service practices
and diýýerences in road characteristics
and climate.
These þrades are molded on the side-
walls oý passenþer vehicle tires. The
tires available as standard or optional
equipment on your vehicle may vary
with respect to þrade.
Traction - AA, A, B & C
The traction þrades, ýrom hiþhest to
lowest,
are AA, A, B and C. Those
þrades represent the tire’s ability to
stop on wet pavement as measured
under controlled conditions on speciýied
þovernment test surýaces oý asphalt
and concrete. A tire marked C may have
poor traction perýormance.
Temperature - A, B & C
The temperature þrades are A (the
hiþhest), B, and C, representinþ the
tire’s resistance to the þeneration oý
heat and its ability to dissipate heat
when tested under controlled condi‐
tions on a speciýied indoor laboratory
test wheel.
Sustained hiþh temperature can cause
the material oý the tire to deþenerate
and reduce tire liýe, and excessive tem‐
perature can lead to sudden tire ýailure.
Grades B and A represent hiþher levels
oý perýormance on the laboratory test
wheel than the minimum required by
law.
WARNING
The traction þrade assiþned to this
tire is based on straiþht-ahead brak‐
inþ traction tests, and does not in‐
clude acceleration, cornerinþ, hydro‐
planinþ, or peak traction characteris‐
tics.
Maintenance
8-64
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